Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.25 0.05 0.02 0.025 0.25 0.05 0.02 0.025 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 45° and 26° 26° and 30° 30° and 26° 30° and 45° 45° and 26° 26° and 30° 30° and 26° 30° and 45° ANSWER DOWNLOAD EXAMIANS APP
Power Systems A CT is connected in ___________________ with the line. both A and B. series. across. not connected. both A and B. series. across. not connected. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line All of above. G = 1/R where G is conductance of line. LC = μ ε and RG = σ ε. Both R and G depend on the conductivity of conductor forming the line. All of above. G = 1/R where G is conductance of line. LC = μ ε and RG = σ ε. Both R and G depend on the conductivity of conductor forming the line. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is 3/ω²C 3ω²C ω²C/3 1/3ω²C 3/ω²C 3ω²C ω²C/3 1/3ω²C ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which material is used in controlling chain reaction in a nuclear reactor Thorium. Heavy water. Beryllium. Boron. Thorium. Heavy water. Beryllium. Boron. ANSWER DOWNLOAD EXAMIANS APP